Home / 852,293.82-1,176,366.77-489,927.90

Finding the Fourth Proportional to 852,293.82, 1,176,366.77 and 489,927.90

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Solution

The fourth proportional to 852,293.82, 1,176,366.77 and 489,927.90 is: 676,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,293.82 : 1,176,366.77 = 489,927.90 : x
  2. Step 2: Convert to fraction form
    852,293.82/1,176,366.77 = 489,927.90/x
  3. Step 3: Cross multiply
    852,293.82x = 1,176,366.77 × 489,927.90
  4. Step 4: Simplify right side
    852,293.82x = 576,334,902,480.70
  5. Step 5: Solve for x
    x = 576,334,902,480.70/852,293.82
  6. Step 6: Final answer
    x = 676,216.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.